Use install_static::GetAppGuid in place of BrowserDistribution and AppRegistrationData.

chrome/install_static/install_util.h

Index: chrome/install_static/install_util.h
diff --git a/chrome/install_static/install_util.h b/chrome/install_static/install_util.h
index a6f3be86122d91ddf6d6180854f274e299a5be89..9dc3be1b64c7cb740fbae1e13fcb496c3494570d 100644
--- a/chrome/install_static/install_util.h
+++ b/chrome/install_static/install_util.h
@@ -54,6 +54,11 @@ template <typename T> inline void IgnoreUnused(T) {}
 // Returns true if Chrome is running at system level.
 bool IsSystemInstall();
 
+// Returns the app GUID with which Chrome is registered with Google Update, or
+// an empty string if this brand does not integrate with Google Update. This is
+// a simple convenience wrapper around InstallDetails.
+const wchar_t* GetAppGuid();
+
 // Returns true if usage stats collecting is enabled for this user for the
 // current executable.
 bool GetCollectStatsConsent();